<template>
  <div>
    <div class="search">
      <input v-model="keyword" class="search-input" type="text" placeholder="请输入城市名或拼音"/>
    </div>
    <div class="search-content" ref="search" v-show="keyword">
      <ul>
        <li class="search-item border-bottom" v-for="i in list" :key="i.id" @click="handleCityClick(i.name)">
          {{ i.name }}
        </li>
        <li class="search-item border-bottom" v-show="isnullList">没有匹配内容</li>
      </ul>
    </div>

  </div>
</template>

<script>
import Bscroll from "better-scroll";
import {mapMutations} from "vuex";

export default {
  name: 'CitySearch',
  props: {
    cities: Object
  },
  data() {
    return {
      keyword: '',
      list: [],
      timer: null,
    }
  },
  computed:{
    isnullList(){
      return  !this.list.length
    },
  },
  watch: {
    keyword() {
      if (this.timer) {
        clearTimeout(this.timer)
      }
      if(! this.keyword){
        this.list = []
        return
      }
      this.timer = setTimeout(() => {
        const result = []
        for (let i in this.cities) {
          this.cities[i].forEach((value) => {
            if (value.spell.indexOf(this.keyword) > -1 || value.name.indexOf(this.keyword) > -1) {
              result.push(value)
            }
          })
        }
        this.list = result
      }, 100)
    }
  },
  mounted() {
    this.scroll = new Bscroll(this.$refs.search)
  },
  methods:{
    handleCityClick(city){
      // this.$store.commit('changeCity',city)
      this.changeCity(city)
      this.$router.push('/')
      // console.log(city)
    },
    ...mapMutations(['changeCity'])
  },
}
</script>

<style lang="stylus" scoped>
@import "~styles/varibles.styl"

.search
  height .72rem
  padding 0 .1rem
  background: $bgColor

  .search-input
    box-sizing border-box
    width 100%
    height .62rem
    padding 0 .1rem
    line-height .62rem
    text-align center
    border-radius .06rem
    color #666

.search-content
  z-index 1
  overflow hidden
  position absolute
  top 1.58rem
  left 0
  right 0
  background #eee
  bottom 0
  .search-item
    line-height .62rem
    padding-left: .2rem;
    background #fff
    color #666

</style>
